Focus on Cellulose ethers

Ke eng eo u lokelang ho e ela hloko ha u sebelisa hydroxyethyl cellulose?

Ke eng eo u lokelang ho e ela hloko ha u sebelisa hydroxyethyl cellulose?

Ha o sebelisa hydroxyethyl cellulose (HEC), ho bohlokoa ho ela hloko lintlha tse 'maloa ho netefatsa ts'ebeliso ea eona e sebetsang le e bolokehileng.Mona ke lintlha tse ling tsa bohlokoa:

  1. Phatlalatso e Nepahetseng: HEC ke polima e qhibilihang ka metsing, empa e hloka mekhoa e nepahetseng ea ho hasana bakeng sa ho qhalana ka ho feletseng.Ha o eketsa HEC metsing kapa litharollong tsa metsi, ho bohlokoa ho e fafatsa butle-butle le ka mokhoa o lekanang ka har'a mokelikeli ha o ntse o tsoela pele ho sisinyeha.Qoba ho lahlela HEC ka metsing hang-hang, kaha sena se ka lebisa ho putlama le ho hasana ho sa fellang.
  2. Tlhokomelo e Ntle: Etsa qeto ea khatello e nepahetseng ea HEC e hlokahalang bakeng sa ts'ebeliso ea hau e khethehileng.Mekhahlelo e phahameng ea HEC e ka fella ka litharollo tse teteaneng kapa li-gel, athe likhahla tse tlase li kanna tsa se fane ka viscosity e lekaneng kapa litlamorao tse teteaneng.Leka ka likhakanyo tse fapaneng ho fihlela li-viscosity tse lakatsehang kapa thepa ea rheological.
  3. pH Sensitivity: HEC e na le maikutlo a ho fetola pH, 'me ts'ebetso ea eona e ka fapana ho itšetlehile ka pH ea tharollo.Ka kakaretso, HEC e bonts'a botsitso bo botle le thepa e teteaneng sebakeng se pharaletseng sa pH (ka tloaelo pH 3-12).Leha ho le joalo, maemo a pH a feteletseng a ka ama ho qhibiliha ha eona, viscosity, kapa botsitso.Qoba maemo a acidic haholo kapa a alkaline ha ho khoneha.
  4. Botsitso ba Mocheso: HEC e batla e tsitsitse ho feta mocheso o pharaletseng, empa mocheso o feteletseng o ka ama ts'ebetso ea oona.Lithempereichara tse phahameng li ka potlakisa ho qhibiliha le ho eketsa viscosity, ha mocheso o tlase o ka fokotsa ts'ebetso ea ho qhibiliha.Qoba ho ba maemong a nako e telele mochesong o ka holimo ho 60°C (140°F) kapa ka tlas'a serame.
  5. Ho lumellana le Lisebelisoa tse ling: Nahana ka tšebelisano ea HEC le li-additives tse ling kapa metsoako moetsong oa hau.HEC e tsamaisana le li-thickeners tse ngata tse tloaelehileng, li-rheology modifiers, li-surfactants, le li-preservatives tse sebelisoang liindastering tse fapaneng.Leha ho le joalo, ho khothaletsoa tlhahlobo ea tšebelisano, haholo ha ho etsoa motsoako o rarahaneng kapa li-emulsion.
  6. Nako ea Hydration: Lumella nako e lekaneng ea hore HEC e noe metsi le ho qhibiliha ka ho feletseng ka metsi kapa tharollo ea metsi.Ho latela kereiti le boholo ba likaroloana tsa HEC, hydration e felletseng e ka nka lihora tse 'maloa kapa bosiu bo le bong.Ho hlohlelletsa kapa ho ferekana ho ka potlakisa ts'ebetso ea hydration le ho etsa bonnete ba ho hasana ho tšoanang.
  7. Maemo a Polokelo: Boloka HEC sebakeng se phodileng, se omeletseng hole le khanya ea letsatsi le mongobo.Maemo a nepahetseng a polokelo a thusa ho thibela ho senyeha le ho boloka boleng ba polymer.Qoba ho pepesehela mocheso o feteletseng, mongobo, kapa nako e telele ea polokelo, kaha tsena li ka ama ts'ebetso ea HEC.

Ka ho ela hloko lintlha tsena, u ka sebelisa selulose ea hydroxyethyl ka mokhoa o atlehileng mekhoeng ea hau mme oa fihlela viscosity e lakatsehang, botsitso le litšobotsi tsa ts'ebetso.Ho feta moo, ho bohlokoa ho shebana le likhothaletso tsa moetsi le ho etsa liteko tse felletseng ho ntlafatsa ts'ebeliso ea HEC lits'ebetsong tsa hau tse ikhethileng.

 

Nako ea poso: Feb-12-2024
Moqoqo oa Marang-rang oa WhatsApp!